Journal
FERTILITY AND STERILITY
Volume 82, Issue 1, Pages 180-185Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.fertnstert.2003.11.045
Keywords
day 3 FSH; CCCT; reproductive aging; infertility; assisted reproductive technology; IVF; meta-analysis
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Objective: To compare the value of basal follicle-stimulating hormone (FSH) measurement vs. the clomiphene citrate challenge test (CCCT) in predicting the ability to achieve a pregnancy in women who are undergoing infertility treatment. Design: Meta-analysis. Setting: All studies that evaluated either basal FSH or the CCCT for determining the likelihood of pregnancy. Patient(s): Infertility population undergoing treatment, which was defined as patients undergoing ovulation induction, IUI, or in vitro fertilization (IVF). Intervention(s): None. Main Outcome Measure(s): Diagnostic test characteristics were calculated and pooled using standard methods. Inability to achieve a pregnancy with treatment was considered as the disease. Result(s): Twelve studies on basal FSH (with 6,296 patients, mean age 33.8) and seven studies on the CCCT (with 1,352 patients, mean age 34.5) fit our criteria and were analyzed. For basal FSH and the CCCT, the sensitivities were 6.6% (95% confidence interval [CI] 5.9, 7.3%) and 25.9% (95% CI 23.0, 29.0%), respectively, and specificities were 99.6% (95% Cl 99.1, 99.9%) and 98.1% (95% Cl 96.5, 99.1%), respectively. For disease prevalence ranging from 40%-100%, for basal FSH and the CCCT, the positive predictive values ranged from 91.7%-100% and 90.1%-100%, respectively, and negative predictive values ranged from 61.5%-0.0% and 66.5%-0.0%, respectively. Conclusion(s): Basal FSH and the CCCT are similar in predicting the ability to achieve a clinical pregnancy in women undergoing infertility treatment. With either test, a normal result is not useful, but an abnormal result virtually confirms that pregnancy will not occur with treatment.
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